Northwest-XL is a robust laminate shingle line designed to give a dimensional appearance on the roof. This product line includes the optional Scotchgard Algae Resistant Shingle Protector from 3M for added security against algae staining.

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Scotchgard

Algae growth on a roof can cause black streaks, which can alter the color of your roof and make it appear aged. Shingles with Scotchgard Protector help maintain the aesthetic appearance of your roof by resisting black streaks caused by algae, which may reduce the need to clean your roof. Shingles with Scotchgard Protector include a 20-year warranty.

One of the most critical aspects of a successful roofing project is correct installation. Improper fastener placement is the leading cause of incorrect shingle installation and can subsequently void the warranty. Malarkey laminate shingles are manufactured with The Zone patented nailing area, which is over three times larger than other laminate shingles and dramatically improves correct fastener placement.

Rain Seal Protection

A rain seal helps hold shingles in place during high winds and protects against wind-blown rain entering beneath the shingles. Malarkey laminate shingles are manufactured with an extra line of defense in the critical area for laminated shingles, with double SEBS asphalt rain seals. Malarkey's SEBS asphalt has adhesive properties to join the shingle together and cohesive properties to prevent it from separating. SEBS is also flexible down to 0F (-18C), ensuring the rain seal remains intact through freeze and thaw cycles.